ICSE Class X Biology 2014 Solved Papers

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A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.
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Question : 49
Total: 93
During the starch test why was the leaf :
(1) boiled in water.
(2) boiled in methylated spirit.
Solution:  
1. To kill the cells.
2. To remove the chlorophyll.
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